Dams in Cassia County, Idaho
6Total Dams
2High Hazard
3Significant
Dam Safety in Cassia County, Idaho
Cassia County has 6 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification.
The average dam in Cassia County is 83 years old. The most common purpose is other. The tallest dam is Oakley at 145 ft.
Explore more: Oldest dams in Idaho · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Oakley | High | Fair | 145 | Irrigation | 1916 |
| Sublett | High | Fair | 48 | Irrigation | 1914 |
| Point Of Rock | Significant | Satisfactory | 30 | Other | 2004 |
| Dewey | Significant | Satisfactory | 30 | Irrigation | 1913 |
| J-canal Reregulating | Significant | Satisfactory | 19 | Other | 1994 |
| Lake Cleveland | Low | Fair | 7 | Other | 1914 |